Home / 7,646.31-10,551.47-4,243.14

Finding the Fourth Proportional to 7,646.31, 10,551.47 and 4,243.14

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Solution

The fourth proportional to 7,646.31, 10,551.47 and 4,243.14 is: 5,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.31 : 10,551.47 = 4,243.14 : x
  2. Step 2: Convert to fraction form
    7,646.31/10,551.47 = 4,243.14/x
  3. Step 3: Cross multiply
    7,646.31x = 10,551.47 × 4,243.14
  4. Step 4: Simplify right side
    7,646.31x = 44,771,343.20
  5. Step 5: Solve for x
    x = 44,771,343.20/7,646.31
  6. Step 6: Final answer
    x = 5,855.29

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.